Shoe horn



FIG. 1 is a perspective view of a shoe horn showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof, the right side view being a mirror image;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The dashed lines in FIG. 1 are shown for environmental purposes only and form no part of the claimed design. The dotted lines shown in FIGS. 1 and 4 represent boundaries of the claimed design and form no part thereof. 

The ornamental design for a shoe horn, as shown and described. 